SB20240717121 - Red Hat Enterprise Linux 9 update for kernel
Published: July 17, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 17 secuirty vulnerabilities.
1) Use-after-free (CVE-ID: CVE-2024-36886)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to a use-after-free error within the tipc_buf_append() function in net/tipc/msg.c when processing fragmented TIPC messages. A remote attacker can send specially crafted packets to the system, trigger a use-after-free error and execute arbitrary code on the system in the context of the kernel.
2) Buffer overflow (CVE-ID: CVE-2021-47548)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the hns_dsaf_ge_srst_by_port() function in drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c. A local user can escalate privileges on the system.
3) Use-after-free (CVE-ID: CVE-2021-47596)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the hclgevf_send_mbx_msg() function in drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c. A local user can escalate privileges on the system.
4) Resource exhaustion (CVE-ID: CVE-2022-48627)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources. A local user can trigger resource exhaustion and perform a denial of service (DoS) attack.
5) Improper locking (CVE-ID: CVE-2023-52638)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the j1939_jsk_add(), j1939_sk_recv_match(), j1939_sk_recv(), j1939_sk_errqueue() and j1939_sk_netdev_event_netdown() functions in net/can/j1939/socket.c, within the j1939_netdev_start() function in net/can/j1939/main.c. A local user can perform a denial of service (DoS) attack.
6) Resource management error (CVE-ID: CVE-2024-26783)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the numamigrate_isolate_page() function in mm/migrate.c. A local user can perform a denial of service (DoS) attack.
7) NULL pointer dereference (CVE-ID: CVE-2024-26858)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the mlx5e_txwqe_complete() function in drivers/net/ethernet/mellanox/mlx5/core/en_tx.c. A local user can perform a denial of service (DoS) attack.
8) Improper locking (CVE-ID: CVE-2024-27397)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the __nft_rbtree_insert(), nft_rbtree_deactivate() and nft_rbtree_gc() functions in net/netfilter/nft_set_rbtree.c, within the pipapo_get(), nft_pipapo_get(), nft_pipapo_insert(), pipapo_gc() and pipapo_deactivate() functions in net/netfilter/nft_set_pipapo.c, within the nft_rhash_key(), nft_rhash_cmp(), nft_rhash_lookup(), nft_rhash_get(), nft_rhash_update(), nft_rhash_insert() and nft_rhash_deactivate() functions in net/netfilter/nft_set_hash.c, within the nft_trans_gc_catchall_sync() and nf_tables_valid_genid() functions in net/netfilter/nf_tables_api.c. A local user can perform a denial of service (DoS) attack.
9) Improper locking (CVE-ID: CVE-2024-27435)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the nvme_alloc_admin_tag_set() and nvme_alloc_io_tag_set() functions in drivers/nvme/host/core.c. A local user can perform a denial of service (DoS) attack.
10) Resource management error (CVE-ID: CVE-2024-35958)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the ena_unmap_tx_buff() and ena_free_tx_bufs() functions in drivers/net/ethernet/amazon/ena/ena_netdev.c. A local user can perform a denial of service (DoS) attack.
11) Use-after-free (CVE-ID: CVE-2024-36904)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the tcp_twsk_unique() function in net/ipv4/tcp_ipv4.c. A local user can escalate privileges on the system.
12) NULL pointer dereference (CVE-ID: CVE-2024-38543)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the dmirror_device_evict_chunk() function in lib/test_hmm.c. A local user can perform a denial of service (DoS) attack.
13) Buffer overflow (CVE-ID: CVE-2024-38586)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the rtl8169_doorbell() and rtl8169_start_xmit() functions in drivers/net/ethernet/realtek/r8169_main.c. A local user can perform a denial of service (DoS) attack.
14) Improper Initialization (CVE-ID: CVE-2024-38593)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper initialization within the lan8841_suspend() function in drivers/net/phy/micrel.c. A local user can perform a denial of service (DoS) attack.
15) NULL pointer dereference (CVE-ID: CVE-2024-36270)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the nf_tproxy_laddr4() function in net/ipv4/netfilter/nf_tproxy_ipv4.c. A local user can perform a denial of service (DoS) attack.
16) Off-by-one (CVE-ID: CVE-2024-36957)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an off-by-one error within the rvu_dbg_qsize_write() function in drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c. A local user can perform a denial of service (DoS) attack.
17) Buffer overflow (CVE-ID: CVE-2024-38663)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the spin_unlock_irq(), blkcg_reset_stats() and blkg_conf_exit() functions in block/blk-cgroup.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.